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Search Results: 1 - 10 of 221 matches for " LR;Spilki "
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Enterovirus infections and type 1 diabetes mellitus: is there any relationship?
Tavares, RG;Trevisol, RB;Comerlato, J;Dalzochio, T;Feksa, LR;Spilki, FR;Berlese, DB;
Journal of Venomous Animals and Toxins including Tropical Diseases , 2012, DOI: 10.1590/S1678-91992012000100002
Abstract: several health organizations have classified diabetes mellitus, a metabolic syndrome, as the epidemic of the century, since it affects millions of people worldwide and is one of the top ten causes of death. type 1 diabetes is considered to be an autoimmune disease, in which autoaggressive t cells infiltrate the islets of langerhans in the pancreas, leading to the destruction of insulin producing beta cells. the risk of the disease is modulated by genetic factors, mainly genes coding for human leukocyte antigens (hla). however, the incidence of this disease has increased significantly during the recent decades, which cannot be explained only by genetic factors. environmental perturbations have also been associated to the development of diabetes. among these factors, viral triggers have been implicated; particularly enteroviruses, which have been associated to the induction of the disease. supporting the hypothesis, numerous lines of evidence coming from mouse models and patients with this type of diabetes have shown the association. the present review aims to provide some understanding of how type 1 diabetes occurs and the possible role of enterovirus in this pathology.
Priority targets for environmental research in the Sinos River basin
Spilki, FR.;Tundisi, JG;
Brazilian Journal of Biology , 2010, DOI: 10.1590/S1519-69842010000600014
Abstract: the sinos river basin is often mentioned as a highly degraded watershed. a series of impacts on water quality, soil and air has been reported in this environment on a recurring basis over the years. this situation of environmental degradation has its origins in a process of huge economic development uncoupled from environmental conservation concerns. the intense consequent urbanization observed for the municipalities within the watershed was not preceded by urban planning proper zoning. the time has arrived for initiatives in scientific research in the sinos river basin that are applicable to a more efficient and integrated management and recovery of the basin. in this article, a set of targets for research is suggested which the authors consider as the main priorities for the next few years, aiming for better knowledge and better management of the watershed. some are still in course, while others have to be initiated as soon as possible.
O modo-indivíduo no servi?o público: descartando ou descartável
Spilki, Adriana;Tittoni, Jaqueline;
Psicologia & Sociedade , 2005, DOI: 10.1590/S0102-71822005000300010
Abstract: this study emphasizes the implications of the total quality control method that was implanted in public services in brazil. the main goal is to understand how the total quality control program, applied to the institution, reinforces the individual-mode, in detriment of collective organization strategies of work. in this way, this study emphasizes elements already found in the private sector, that are now being found in public service also, such as the incessant hunt for "client" satisfaction, necessity of profit, the importance of competition, always seeking to increase productivity.
The balance in research between biotechnology and traditional crop improvement
LR House
African Crop Science Journal , 1995,
Nature of the genetic control of ovulation rate and its relationship with litter size
JP Hanrahan, LR Piper
Genetics Selection Evolution , 1982, DOI: 10.1186/1297-9686-14-4-578b
Best linear unbiased prediction when error vector is correlated with other random vectors in the model
LR Schaeffer, CR Henderson
Genetics Selection Evolution , 1983, DOI: 10.1186/1297-9686-15-3-395
Estimation of covariance components between one continuous and one binary trait
H Simianer, LR Schaeffer
Genetics Selection Evolution , 1989, DOI: 10.1186/1297-9686-21-3-303
Spatial distribution of Phyllocnistis citrella Stainton (Lepidoptera: Gracillariidae) larvae in three scales
Jesus, CR.;Redaelli, LR.;
Brazilian Journal of Biology , 2008, DOI: 10.1590/S1519-69842008000100030
Abstract: the spatial distribution of larvae of phyllocnistis citrella stainton (lepidoptera: gracillariidae), the citrus leaf miner, in leaves, shoots, and tree crowns of montenegrina tangerine (citrus deliciosa tenore) and murcott tangor (citrus sinensis l. osbeck x citrus reticulata blanco) was determined. fortnightly samplings from july/2001 to june/2003, in orchards located in montenegro (29o 68? s and 51o 46? w), rs, brazil, were carried out. at each sampling occasion eighth shoots randomly selected were collected. the spatial distribution pattern of p. citrella larvae between tree crowns and in the shoots was aggregated in most sampling occasions in both citrus species. nevertheless, on the leaves, this pattern followed a random distribution, as indicated by the indices i, id and k parameter.
Children at Risk: A Study of the Psychosocial Impact of HIV on Orphans and other Vulnerable Children in Benin
LR stergaard, DW Meyrowitsch
Africa Development , 2008,
Abstract: This paper describes the effect of parental HIV on the life of children in Benin. A total of 2,043 children aged from 10 to 16 were surveyed on health, diet, violence, school attendance and psychosocial state. The results indicate that, while Beninese children who have had a parent living with HIV are not necessarily subjected to different economic and material conditions than those who have not, they do experience a much greater lack of psychosocial support. In contrast to children whose parents are not known to have HIV, these affected children are less prone to general illness (OR=0.69, 95 per cent CI 0.55-0.86). However, when they are sick, HIV-affected children are significantly more likely to undertake self-treatment (OR=1.38; 95 per cent CI 1.04-1.86) and more likely to work (OR=1.65, 95 per cent CI 1.04-2.60). They are also offered fewer meals than unaffected children (OR=1.94; 95 per cent CI 1.52-2.47). With respect to psychosocial factors, the data suggest that children who have had a parent with HIV have significantly higher levels of psychological distress than those who have not. Governments and civil society organisations need to address not only the material deprivation, especially hunger, of children thus affected by HIV, but also their need for social services.
Impact of Information and Communication Technology on Distance Education: The case of National Open University of Nigeria
SD Osaat, LR Nsereka
African Research Review , 2012,
Abstract: This study investigates the impacts of information and communication technology media on effective distance learning education in Nigeria. It implores the use of questionnaire as instrument with reliability index of 0.89 (using Cronbach) to generate data. The data were analyzed using mean scores, cluster mean scores and criterion mean scores to answer the 4 research questions. The paper finds out that information and communication technology media have greater positive impacts on distance education enhancing academic success; that the National Open University of Nigeria (NOUN) has not fully employed ICT media such as radio/television broadcast of lectures, computer aided instruction and tele/video conferencing exception of e-library, sms and email/internet. The study also shows that methods of teaching employed include email for assignment collection and submission, e-library and to lesser extent internet bracing and radio/television broadcast. The authors recommend more government assistance and urge the lecturers and students to be receptive of all the teaching/learning methods akin to ICT media as to improve on their achievements.
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